Solid electrolyte fuel cell provided with a tight structure
CA 2560761 C · Owner: Desmazes, Laure · Inventors: Cordelle, Frederique; Desmazes, Laure
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In order to improve a tightness between different cells (5) forming a planar geometry fuel cell (1) low-porous or nonporous areas (11) are arranged in an electrode layer (10) around a gas supply connection (2). The formation of an interlocking connection (18 22) between a bipolar plate (20) and a three-layer ceramic element (10 20) which forms a base cell (5) and makes it possible to prevent a gas mixtures is also disclosed.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed March 18, 2005 and granted October 2, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 18, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.